Comparative Study of Understorey Birds Diversity Inhabiting Lowland Rainforest Virgin Jungle Reserve and Regenerated Forest

Table 1

Diversity and species richness of understorey birds inhabiting regenerated forest (RF) and virgin jungle reserve (VJR) at two study sites, Ulu Gombak Forest Reserve (UGFR) and Triang Forest Reserve (TFR).

Habitat/study sites	𝑆	𝑁	𝐷	𝐻^′	𝐸	First-order Jackknife	SD	Estimated species richness (%)
RF	104	1,339	0.33	3.29	0.08	104	0	100
UGFR	66	335	0.07	3.72	0.06	74	0	89
TFR	82	1,004	0.1	2.91	0.07	134	8	61
VJR	87	1,031	0.18	3.62	0.22	144.5	8.5	60.2
UGFR	62	397	0.1	3.59	0.42	64	0	97
TFR	66	634	2.63	3.31	0.18	110	2	60

𝑆: number of species; 𝑁: total number of individuals captured; 𝐷: Berger-Parker dominance; 𝐻^′: Shannon-Weiner Index; 𝐸: Simpson’s Evenness Index; SD: standard deviation.